INTERNATIONAL YEAR of ASTRONOMY Eratosthenes

Marina di Carrara Italia

Friday 19 June 2009 by perbosc

Marina di Carrara Italia
Scuola Primaria Paradiso
Longitude 10°02’ E
Latitude 44°02’ N
Angle + 20°35’ = +20,58°

Calculations with Caseros
- difference of latitude 44°02’ - (-34°36’) = 78°38’ = 78.633°
- distance between the parallels : 78.6333° x 111.111 km = 8737 km
- difference of the angle of the Sun : 20,58° - (-58,0°) = 78,58°
- circumference of the Earth : 8737 x 360° / 78,58 = 40 027 km


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